since the massacre at sandy hook elementary school in newtown, connecticut., senator dianne feinstein has been promising to push for a renewal of legislation banning certain weapons. other senators have voiced their support for such legislation. but n-r-a c-e-o wayne lapierre is dismissing any bans on assault weapons and made clear yesterday it was highly unlikely that the n- r-a would support any new gun regulations. meanwhile, demonstrators marched over new york city's brooklyn bridge demanding tighter gun laws in the country. several hundred people participated in the march. carrying candles, the protestors stopped in the middle of the iconic bridge to read the names of the children and adults killed at sandy hook elementary school in connecticut. >> an afghan police official says an afghan policewoman has killed an american adviser at the kabul police headquarters. the deputy police chief says an investigation is underway to determine whether the killing was intentional or accidental. the victim was a military or civilian adviser. the nato military command says it's looking into r